During a field expedition to the “heart” of the Amazon basin in Brazil, researchers discovered two small fish in the region’s tea-colored waters that were previously unknown to science. The fish, both ...
The new tetra fish species measure about half an inch long, according to researchers. Photo by Lopez, G. G. S., Souza, C. S., Reia, L., Mantuaneli, L. A., Morales, B ...
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